Home / 13,673.29-20,499.66-5,785.04

Finding the Fourth Proportional to 13,673.29, 20,499.66 and 5,785.04

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Solution

The fourth proportional to 13,673.29, 20,499.66 and 5,785.04 is: 8,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.29 : 20,499.66 = 5,785.04 : x
  2. Step 2: Convert to fraction form
    13,673.29/20,499.66 = 5,785.04/x
  3. Step 3: Cross multiply
    13,673.29x = 20,499.66 × 5,785.04
  4. Step 4: Simplify right side
    13,673.29x = 118,591,353.09
  5. Step 5: Solve for x
    x = 118,591,353.09/13,673.29
  6. Step 6: Final answer
    x = 8,673.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.